Updating the after_prepare.js

.gitignore

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+.DS_Store

CONTRIBUTION.md

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+“All code contributions made to this project are received under the terms of the Developer's Certificate of Origin v.1.1. 
+By making a contribution to this project, I certify that:
+(a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or
+(b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to
+submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as
+indicated in the file; or
+(c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.
+(d) I understand and agree that this project and the contribution”